So that could happen... so I am taking considerable measures to make sure it or anything like it does NOT happen. 

It is just a quick way to measure if someone is a qualified buyer.

Actually, a bank measures your debt:equity before giving you certain loans as well (as they should!).

You can pursue further measures if you really wanted to, I recommend handling it before you do. 

Technically it's just monthly rent / cost, which is a percentage; the monthly rent is X percentage of the cost of the property.That being said, while rent/cost is a useful measure, the 2% Rule is garbage.

Measure your own bathroom if you have to or your parents bathroom.

Judging by measuring the hole in the window the bullet cleared my chest at the level of my heart by only 12 inches.

Adding a damage deposit (that would apply also if they cause a noise complaint or other rule violations like partying, etc) adds a measure of security too. 

Hi, Its always a frustration when a book is read (etc) and someones real deal doesn't measure up to Guru idealistic talk. 

That is why we measure our success on the amount of contacts we make instead of calls.